INA270

INA270概述

具有直列式滤波器功能 -16V 至 80V、分级电流感应放大器 8-SOIC -40 to 125

The and INA271 family of voltage-output, current-sense amplifiers can sense drops across shunt resistors at common-mode voltages from –16 V to +80 V, independent of the supply voltage. The INA270 and INA271 pinouts readily enable filtering.

The INA270 and INA271 are available with two gain options: 14 V/V and 20 V/V. The 130-kHz bandwidth simplifies use in current-control loops.

The INA270 and INA271 operate from a single +2.7-V to +18-V supply, drawing 700 µA typical of supply current. The devices are specified over the extended operating temperature range of –40°C to +125°C and are offered in an SOIC-8 package.

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Wide Common-Mode Range: –16 V to +80 V
.
CMRR: 120 dB
.
Accuracy:

±0.5-mV Offset typ

±0.2% Gain Error typ

2.5 µV/°C Offset Drift typ

50 ppm/°C Gain Drift max

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Bandwidth: Up to 130 kHz
.
Two Gain Options Available:

14 V/V INA270

20 V/V INA271

.
Quiescent Current: 700 µA typ
.
Power Supply: +2.7 V to +18 V
.
Provision for Filtering
INA270数据文档
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